condition mean min max ZT0-3 92.19999999999999 92.19999999999999 92.19999999999999 ZT4-7 85.8 85.8 85.8 ZT8-11 69.3 69.3 69.3 ZT12-15 101.2 101.2 101.2 ZT16-19 114.3 114.3 114.3 ZT20-23 62.55 62.55 62.55